@article{ribeiro_serra_2007,  title={Spectroscopic study of Tb3+(beta-diketonate)3: alpha-cyclodextrin inclusion compounds in aqueous solution},  volume={18},  ISSN={0103-5053},  url={https://doi.org/10.1590/S0103-50532007000200005},  DOI={10.1590/S0103-50532007000200005},  number={2},  journal={Journal of the Brazilian Chemical Society},  publisher={Sociedade Brasileira de Química},  author={Ribeiro, Anderson O. and Serra, Osvaldo A.},  year={2007},  month={Mar},  pages={273–278} }